Propelling mechanism for boats



Dec. 2, 1930. E. H. FAHRNEY 1,783,331

PROPELLING MECHANISM FOR BOATS Filed Nov. 15, 1929 n140 2 2, Figure 11, With'parts omitted.- L t0 the .Otlflel` YPatented Decf v2, 1930 Y l UNITED? ,PATENT Y i i FAHRNIEY#emceerleemelsfQffff v p rf"151%0''PEIIQIivGrrrncmimsmicmEBOATL if Asphalia@greatness@ 15,1929'. sel-ainonopmspo;

gLThi'slinvention relates to improvementsl in y, Referrngmore particularly to the ,draw-m" propellingrechanismfor boats, 1and one of fing the numeral ,-104 designates-generally the lth'exobjectsof thelinvention vis to provide im- {framework-ofi the boat-havingfbottomisupproved propelling'mechanismofthisrharacporting"bam$ *11"1 andgrlongtudllally al 5,5 ter so constructedfandarrangedas to possess rangedspaced? supportingabeams 12. 50

all ofthe attributes f both an routboard and ,Mounted'upon the beams l2 are ,blocksllfm aninboard motor5atithe same timeproviding -011e of which is farraifgedn on.;-each `side allow` center offgravity. j -gjg -of ftheinotor casing JA;.adjacentl theafront y Afurther objectisgto provide afniIr'iproved lthereof andzportions ofthe flangesvl of` the 10 mounting for thre motor and propelling xmotorfcas'ing at theforward end of the casingugs mechanism, Whereby'theforce from. the reengage 'and rest upon the respective blocks action of. thevvater asstvell as the;` vibration 13. A'prote'cting plate 16: may be provided from the motor Willbe'transferr'ed directlyto between the motor flange 21nd-, the blocks 13 the frameworkofthe boat, and iatfthe; same to form a Wearplate and theforwardendof p15 time' provideffa three-point suspension*` for ether motor"casing'is` secured or anchored tomen the motor, which will `allow-@for Yexpansion @the respective blocks L1? by meallS Offstenf thereoiy; Y L t 111g bolts 17 which pass througlrvslots 18 `in 1&1further@Obje'i;l igt() provide' in anxim-- 'll1..fla lge$"15"and entelrtl'le blOClS 13. `provedstructureof this character a slide lcon- :,lrogecting "from the rear: lofv vthe -motfor .gobnectonrbetween the: motorV casing'andfthe @asm-g is' ali extension "19'Which is provded5 baekboardofthe-.boatgwhich will dispense K- irltha'ormaton 20rofa sphercalLcOngura-"i ith pankingrand will produceiawater `tight -tlon remote from the end 2l of the extension. joining` l ,2313; Y 5; j l flhis formationA 20V passes ,through anopent To the attainment'of these ends andthe aelng iii the ybackboardv 2101"? the boat and AS8-V u2li'\\complishmentLofE'other -ne'wzjand ,useful 0b` Cured-ato the backboard on opposite'siclesgo jects as will appear,` the inventionconsistsin vthefOf laPeJbGaI'iHg` members 22, providing Vlthe features .ofnoveltyin substantially the bearing'surfaces23v .Whichfconform tothe construction7 Combinatn `and affrdngement;` contour of and Contact with the bearing surof the several parts; hereinafter'more fully fCe 200`I1fthe @Extensionv 19 ofthe IDOQI `described and claimed and shown inthe ac l C aSlIlgythe r1f1emloers-22y being SeCul'eCl 111 PCSI-U75 companyng drawng-uustratng `this'nven-v t10'11 byimeans of. fa-'Stenmg' devices 24 in the v lti'om andiin which w ful 1.5 gf@ OIlifofgbol-tsaudthe llke. 'The bearing .Sur- `Fignr 1 is n View pnrtlyin' longitudinal faces*23contact1ngwvith the surfaceofthe section, partly in elevation and'partly broken Y formatio1v20fgW-ill f ormfa watertight 3011115 35 avvay, of ythe rearportion ofthe boat having between the formation 2O and the braclrboardgo propelling mechanism 'constructed' in aecord- 21 Ofthe boat, and :thefmernbers 23 areso and@ with the'priniple's Ofthis invnton apsliapedas notte interfere with the oscilla-4 plied thereto.t r se t ,tory orrfroclnng movement ofthebackboarcl Figure 2 is an sectional vie'w taken on line Ql andthe fOIHlllOn 2Q, one Withl respect Figure 3ds an enlarged detail-sectional vVlith this-construction it will be manifest View taken online3- 3, Figureefl.' 4 that there-is pro-vided a three-point suspen- "Figure .tais atop plan view of'aboat vsion for thefmotor casing tvvo of tliepoint-s eq11ipped, withthis `improved propellingbeing located at theforvvard end ofthemoemeehenSm-f ,4 i vor Casingandiheetherrontbeine termedby the operation of the extension 19 which passes through the backboard 21, with the result that the motor casing will be suspended or supported directly by the framework of the boat. By thus mounting` the motor all shock or reaction of the water and all vibrations of the motor will be conveyed directly to the framework of the boat.

By the provision of the slots 18 with the fastening devices 17 any expansion of the motor casing will be provided for and at the same time the fastening devices will under normal conditions hold the motor casing firmly in its proper position.

Connected with the extension 19` is another casing 25 having a dependingtubular portion 26 connected with a gear box 27.

The motor shaft passes through the casing 19, formation 20 and into the casing 25 and connected with the motor shaft and disposed within the casing 26 and depending vertically from the motor shaft, is another shaft which in turn is connected through the medium ofy gears (not shown) in the gear box 27' with the propeller shaft 28,to which latter the propeller 29fis connected.

Any reaction of the water upon the propeller 29 will be conveyed to the motor casing and as the motor casing is connected with the backboard 21 through the medium of the ball and socket connection 20 -2?), it will be manifest that any tendency of the boat and motor casing to rock with respect to each other will be compensated for.

While the preferred form of the invention has been herein shown and described, it is to be understood that various changes may be made in the details of construction and in the combination and arrangement of the several parts, within the scope of the claims, without departing from the spirit of this invention. y Y 4 That is claimed as new is 1. Boat propelling mechanism of the outboard motor type, embodying a motor ar- Y ranged adjacent the stern, means providing a three point suspension of the motor directly upon the framework of and within the boat, said suspension means embodying a ball and socket connection between the motor casing and the back board of the boat, a shaft extending from the motor through the back board of the boat.y a vertical shaft depending from the motor shaft, and a propeller operatively connected with the vert-ical shaft.

2. Boat propelling mechanism of the outboard motor type embodying a motor arranged adjacent the stern, means forming a three point suspension forthe motor directly upon the framework of the boat, two of said points being disposed at the front and onopposite sides of the motor casing` the other point of suspension being formed by a ball Vshaped portion connected with the engine frame and having a bearing in theback board of the boat, a shaft extending from the motor through the last said connection and beyond the back board of the boat, a vertical shaft depending from the motor shaft, and a propeller operatively connected with said vertical shaft.

3. Boat propelling mechanism of the outboard motor type embodying a motor arranged adjacent the stern, means forming a three point suspension for the motor, said means embodying supporting blocks mounted directly upon the framework of the boat and disposed adjacent one end and on opposite sides of the motor casing, securing means embodying fastening bolts passing through slots in the casing Vand into the respective said blocks, an extension on the motor casing extending through the back board of the boat, a ball formation on said extension, a bearing therefor forming a connection between said extension and the back board and consituting the thi'rd'point of suspension for the motor, a shaft extending from the motor through said connection, a vertical depending shaft connected with the motor shaft, and a propeller connected with thevertical shaft.

4; Boat propelling mechanism of the out- `board motor type `embodying a motor ar- -rear endiof the motor casing,fmeans forming a water tight connection between the back board and said extension, but permitting relative movementof the motor casing and said 4 back'board,. a motorshaft, a depending vertical shaft outside of the boat, and a propeller connected with said vertical shaft.

5. Boat propelling mechanism of the out ,board motor type embodying a motor arranged'adjacent the stern, means forming a three point suspension for the motor directly upon the framework of the boat, said means embodying supports adjacentV and on opposite sides ofthe frontend of the motor and a water tight jointed connection between the other end. of the motor casing and the back board of tlie'boat, .a motor shaft` passing through said ointed connection, a vertical depending shaft connectedfwith the motor, and a propeller connected with said vertical shaft.

6. Boat propelling mechanism ofthe outboard 4motor typey embodying a motor arranged adjacent the stern, means forming a three point suspension for the motor directly upon the framework of the boat, said means embodyingsupports adjacent and on opposite sides of the front end of the motor and a water tight jointed connection between the other end of the motor casing and the back board of the boat, fastening bolts passing through slots in the motor casing and into said supports to permit a bodily movement of the motor casing upon said supports, a motor shaft passing through said jointed oonnection, a vertical depending shaft connected with the motor, and a propeller connected with said lVertical shaft.

In testimony whereof, Irhave signed my name to this speoifioationfon this 12th day of November, 1929.

EMERY H. FAHRN EY. 

